| Course | RES 6531 Literature Review |
|---|---|
| Module | Module 1 |
| Paper type | Search strategy and chapter outline |
| Length | 1,200 words, about 4 pages plus title and reference pages |
| Format | APA 7 student paper |
| School | American College of Education |
| Program | Ed.D. and DBA doctoral core |
| Updated | October 2026 |
Free sample paper for RES 6531 Module 1
Mapping the Evidence on Promotoras and Blood Pressure: A Documented Search Strategy and Chapter 2 Outline for a Study in the Lower Rio Grande Valley
Student Name
American College of Education
RES6531: Literature Review
Module 1 Assignment
Instructor Name
October 12, 2026
Introduction
I work as a health educator for a county public health department in the Lower Rio Grande Valley of Texas, where most residents are Hispanic and many adults live with high blood pressure that is not under control. My dissertation will examine whether a hypertension self-management program delivered by promotoras de salud, the community health workers who share the language and background of the people they serve, improves blood pressure control and self-efficacy among Hispanic adults in our county. Chapter 2 has to show what is already known about that kind of program. This paper records how I searched for that evidence, what the first full search produced and how the chapter will be organized around it.
The Review Question
The question guiding the search is: among Hispanic adults with hypertension in the United States, what is known about the effects of community health worker or promotora programs on blood pressure and on the beliefs and behaviors that support self-management? Three concept blocks follow from it. The population block covers Hispanic, Latino and Mexican American adults. The intervention block covers community health workers, promotoras and promotores, lay health workers and patient navigators who deliver education in the community. The outcome block covers hypertension, blood pressure, self-efficacy, medication adherence and self-management. Region was left out of the search terms on purpose, because border-specific studies are few and would be found through the population and intervention terms in any case.
Databases and Other Sources
Four databases were searched: PubMed for clinical and public health research, CINAHL for nursing and allied health, PsycINFO for work on self-efficacy and behavior, and Cochrane for existing reviews. Two further routes supplement them. Backward citation searching uses the reference lists of the most relevant reviews, beginning with two systematic reviews of community health worker programs (Brownstein et al., 2007; Kim et al., 2016). Forward citation searching uses Google Scholar's cited-by feature on the key intervention studies. Reports from federal and state agencies, which describe funding and certification of community health workers, were gathered separately as gray literature and will inform the policy context rather than the evidence on outcomes.
Search Strings
In PubMed the three blocks were joined with AND, with terms inside each block joined with OR. The population block combined the controlled vocabulary heading for Hispanic or Latino with title and abstract words such as Hispanic, Latin, Mexican American and Chican. The intervention block combined the heading for community health workers with promotor, "lay health worker", "community health worker" and "patient navigator". The outcome block combined the heading for hypertension with "blood pressure", hypertensi*, self-efficacy, adherence and self-management. Truncation captures both promotora and promotores, and quotation marks keep phrases intact. The CINAHL and PsycINFO versions swap in each database's own subject headings, and every version is saved in a search log with the date, database, exact string, limits and number of results.
Limits and Eligibility
Results were limited to 2005 onward, to studies of adults and to English or Spanish. The start date captures the period in which community health worker programs for chronic disease became common in U.S. public health while keeping older foundational work, such as the theory sources, available through citation searching. Studies were eligible if they evaluated a program delivered at least partly by community health workers, included Hispanic adults as all or a reported share of participants and measured blood pressure or a self-management outcome. Studies outside the United States were excluded, because the health system, insurance and community health worker roles differ too much to compare. Commentaries and program descriptions without outcome data were set aside for the background section.
Results of the First Full Run
The first full run across the four databases produced 486 records. After removing duplicates, 341 remained. Screening of titles and abstracts against the eligibility rules excluded 287, most often because the program was clinic-based without community health workers or because Hispanic participants were not reported separately. Of the 54 articles read in full, 22 met every criterion, and citation searching added 6 more, for 28 studies. The counts will be reported in a flow diagram following the PRISMA 2020 guidance (Page et al., 2021), even though the review is a dissertation chapter rather than a formal systematic review, because the diagram shows a committee exactly where sources were lost.
The included studies cluster around three questions: whether these programs lower blood pressure, how they work and what keeps them running after a grant ends. Those clusters become the chapter's themes.
Chapter 2 Outline
The chapter will have nine parts. An introduction restates the problem and previews the chapter. A section on the search strategy summarizes this paper. The theoretical framework section presents social cognitive theory, with self-efficacy as the construct the intervention is meant to build (Bandura, 2004). A context section describes hypertension among Hispanic adults, drawing on national trends in blood pressure control (Muntner et al., 2020) and on the large cohort study that documented awareness, treatment and control across Hispanic backgrounds (Sorlie et al., 2014). Three themed sections follow: the effects of community health worker programs on blood pressure; mechanisms, including self-efficacy, adherence and cultural fit; and implementation, including training, supervision and funding. A section on the gap then names what the studies have not answered, and a summary closes the chapter.
Weaknesses in the Strategy
The strategy has gaps that the chapter will state openly. Restricting the search to studies that report Hispanic participants separately drops some large community health worker trials whose samples were partly Hispanic but whose results were not broken out by ethnicity; those trials will be cited in the background but not counted as direct evidence. Spanish-language journals indexed outside the four databases may hold relevant program evaluations from border health agencies, and a targeted search of one Latin American index is planned before the chapter is final. Publication bias is also likely, since programs that failed to lower blood pressure are less often written up. Finally, a single reviewer screened every record, so a colleague from the department's epidemiology unit will independently screen a random tenth of the abstracts, and any disagreement will be resolved by discussion and noted in the log.
Managing the Sources
Every included study is stored in a reference manager with a tag for each theme it informs and a note on its design, sample size, share of Hispanic participants and outcome measures. A separate spreadsheet serves as the synthesis matrix for the themed sections, with one row per study. Searches will be rerun every four months until the proposal is defended, so that new studies are caught and the log remains current. Each rerun will be added to the log with its new counts.
Conclusion
The search strategy defines a review question with three concept blocks, runs it across four databases and two citation routes, applies stated limits and eligibility rules and records each step. Its first run produced 28 studies that fall into three clusters, and those clusters shape a nine-part outline for Chapter 2. Module 2 develops the theoretical framework section on social cognitive theory and self-efficacy.
References
Bandura, A. (2004). Health promotion by social cognitive means. Health Education & Behavior, 31(2), 143-164. https://doi.org/10.1177/1090198104263660
Brownstein, J. N., Chowdhury, F. M., Norris, S. L., Horsley, T., Jack, L., Zhang, X., & Satterfield, D. (2007). Effectiveness of community health workers in the care of people with hypertension. American Journal of Preventive Medicine, 32(5), 435-447. https://doi.org/10.1016/j.amepre.2007.01.011
Kim, K., Choi, J. S., Choi, E., Nieman, C. L., Joo, J. H., Lin, F. R., Gitlin, L. N., & Han, H.-R. (2016). Effects of community-based health worker interventions to improve chronic disease management and care among vulnerable populations: A systematic review. American Journal of Public Health, 106(4), e3-e28. https://doi.org/10.2105/AJPH.2015.302987
Muntner, P., Hardy, S. T., Fine, L. J., Jaeger, B. C., Wozniak, G., Levitan, E. B., & Colantonio, L. D. (2020). Trends in blood pressure control among US adults with hypertension, 1999-2000 to 2017-2018. JAMA, 324(12), 1190-1200. https://doi.org/10.1001/jama.2020.14545
Page, M. J., McKenzie, J. E., Bossuyt, P. M., Boutron, I., Hoffmann, T. C., Mulrow, C. D., Shamseer, L., Tetzlaff, J. M., Akl, E. A., Brennan, S. E., Chou, R., Glanville, J., Grimshaw, J. M., Hróbjartsson, A., Lalu, M. M., Li, T., Loder, E. W., Mayo-Wilson, E., McDonald, S., ... Moher, D. (2021). The PRISMA 2020 statement: An updated guideline for reporting systematic reviews. BMJ, 372, n71. https://doi.org/10.1136/bmj.n71
Sorlie, P. D., Allison, M. A., Aviles-Santa, M. L., Cai, J., Daviglus, M. L., Howard, A. G., Kaplan, R., LaVange, L. M., Raij, L., Schneiderman, N., Wassertheil-Smoller, S., & Talavera, G. A. (2014). Prevalence of hypertension, awareness, treatment, and control in the Hispanic Community Health Study/Study of Latinos. American Journal of Hypertension, 27(6), 793-800. https://doi.org/10.1093/ajh/hpu003
What the RES 6531 Module 1 instructions ask for
In the opening module of RES 6531 you are generally asked to show how you found your literature, not yet to synthesize it. That means naming your databases and other sources, writing out your search terms and how they are combined, stating your date, language and population limits and setting rules for which studies count. Most prompts also want a working outline of Chapter 2, often with the theoretical framework, a context section, themed sections and a gap. A search log that another researcher could follow is the clearest evidence of thoroughness. Explain the reasoning behind each limit, since committees question date ranges and exclusions more than anything else.
Inside the RES 6531 Module 1 example
The sample begins with the writer's setting and the dissertation's aim, then states a single review question and breaks it into population, intervention and outcome blocks, explaining why region was left out of the terms. Database choices are justified one by one, with citation searching and gray literature given separate roles. The PubMed string is described down to truncation and phrase marks. Limits and eligibility rules follow, then the counts from the first full run and a note on reporting them in a flow diagram. A nine-part outline grows from the three clusters the search revealed, and a short section explains how sources and reruns will be managed.
RES 6531 Module 1 rubric: what full marks look like
Graders of this module look first at transparency. Full marks generally require named databases suited to the field, search terms shown with their logic, limits and inclusion criteria stated with reasons and some record of results, whether counts, a log or a flow diagram. The chapter outline is judged on whether it follows from the literature and supports the research problem, with a framework section and a clear place for the gap. Faculty also reward a plan for keeping the search current until the proposal is defended. Writing quality, organization and accurate APA 7 references round out the evaluation, as they will for every chapter of the dissertation. A strategy that names its own blind spots, such as a missing database, is read as a strength rather than a flaw.
Common RES 6531 Module 1 mistakes, and how to avoid them
A literature search often feels finished long before it can be documented well enough for a committee. If your chair has asked how you found your sources, why you chose your limits or why your outline does not match what you found, our writers can rebuild the strategy with you. Share your topic, the searches you have already run and the prompt; you will get back a documented strategy, a search log template and a Chapter 2 outline tied to your research questions. Public health, nursing education and business topics each call for different databases, and we choose them accordingly. A solid search now saves rewriting the review later.
Write yours, or have the desk draft it
This paper is an original model document written by our desk, not a submitted student paper and not an official American College of Education document. Read it for the moves, then write your own to the instructions in your classroom. If you want one built to your exact prompt and rubric, the first custom sample is free and arrives in 24 to 48 hours.
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RES 6531 Module 1 questions, answered
What does RES6531 Module 1 usually ask for?
The first RES6531 module usually asks you to document the literature search behind your dissertation's Chapter 2, including databases, terms, limits and inclusion rules, and to outline how the chapter will be organized.
How many sources should a dissertation literature review include?
There is no fixed number; it depends on how much research exists. What matters is that the search is thorough and documented, so a committee can see the review covers the relevant studies.
Do I need a PRISMA diagram for a dissertation Chapter 2?
It is not always required, but a flow diagram of records found, screened, excluded and included is a clear way to document your search, and many committees welcome it.
Where can I find a free RES 6531 Module 1 sample paper?
This page has it: a Texas border health educator logs four databases, three concept blocks and screening counts, then sorts 28 promotora studies into a nine-part Chapter 2 outline.
Should the Chapter 2 outline follow my research questions or the literature?
Both. The themes should come from clusters in the literature you found, but each theme should connect clearly to your problem and research questions.